refine first page flag

sdk/azcore/runtime/pager.go

@@ -39,13 +39,14 @@ type PageProcessor[T any] struct {
 type Pager[T any] struct {
 	current   T
 	handler   PageProcessor[T]
-	lroSecond bool
+	firstPage bool
 }
 
 // NewPager creates an instance of Pager using the specified PageProcessor.
 func NewPager[T any](pageHandler PageProcessor[T]) *Pager[T] {
 	return &Pager[T]{
-		handler: pageHandler,
+		handler:   pageHandler,
+		firstPage: true,
 	}
 }
 
@@ -61,18 +62,18 @@ func (p *Pager[T]) More() bool {
 func (p *Pager[T]) NextPage(ctx context.Context) (T, error) {
 	var req *policy.Request
 	var err error
-	if !reflect.ValueOf(p.current).IsZero() && !p.lroSecond {
+	if !reflect.ValueOf(p.current).IsZero() && p.firstPage {
 		// we get here if it's an LRO-pager, we already have the first page
-		p.lroSecond = true
+		p.firstPage = false
 		return p.current, nil
 	} else if !reflect.ValueOf(p.current).IsZero() {
 		if !p.handler.More(p.current) {
 			return *new(T), errors.New("no more pages")
 		}
 		req, err = p.handler.Advancer(ctx, p.current)
 	} else {
-		// non-LRO case, so skip the LRO branch above
-		p.lroSecond = true
+		// non-LRO case
+		p.firstPage = false
 		req, err = p.handler.Requester(ctx)
 	}
 	if err != nil {